DE3069353D1 - Laminated magnetic circuit with air gap, and method of adjusting the air gap - Google Patents

Laminated magnetic circuit with air gap, and method of adjusting the air gap

Info

Publication number
DE3069353D1
DE3069353D1 DE8080400979T DE3069353T DE3069353D1 DE 3069353 D1 DE3069353 D1 DE 3069353D1 DE 8080400979 T DE8080400979 T DE 8080400979T DE 3069353 T DE3069353 T DE 3069353T DE 3069353 D1 DE3069353 D1 DE 3069353D1
Authority
DE
Germany
Prior art keywords
air gap
magnetic circuit
laminated magnetic
adjusting
end bars
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8080400979T
Other languages
German (de)
Inventor
Gilles Desombre
Marc Dujardin
Gerard Haroux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CLAREL SA
Original Assignee
CLAREL SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CLAREL SA filed Critical CLAREL SA
Application granted granted Critical
Publication of DE3069353D1 publication Critical patent/DE3069353D1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Composite Materials (AREA)
  • Chemical & Material Sciences (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Paper (AREA)
  • Magnetic Heads (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Control Of Electric Motors In General (AREA)
  • Magnetically Actuated Valves (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Electron Tubes For Measurement (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Traffic Control Systems (AREA)
  • Magnetic Treatment Devices (AREA)

Abstract

1. Laminated magnetic circuit with air gap, comprising and E-shaped part and an I-shaped part (4), and wherein the lenght of the end bars (2) of the E part determines the depth of the air gap opposite the central bar (3) of this E part, characterized in that the side of the I part (4) which rests on the end bars (2) of the E part forms an obtuse angle (alpha) wiht the sides at the end of the part I part (4), and in that the two end bars (2) of the E part each have a prolongation (5) and these are arranged at a distance from one another corresponding to the lenght of the I part (4), so as to fit the shape of the said obtuse angle (alpha) in engaging about the I part (4).
DE8080400979T 1980-06-30 1980-06-30 Laminated magnetic circuit with air gap, and method of adjusting the air gap Expired DE3069353D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP80400979A EP0042898B1 (en) 1980-06-30 1980-06-30 Laminated magnetic circuit with air gap, and method of adjusting the air gap

Publications (1)

Publication Number Publication Date
DE3069353D1 true DE3069353D1 (en) 1984-11-08

Family

ID=8187379

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080400979T Expired DE3069353D1 (en) 1980-06-30 1980-06-30 Laminated magnetic circuit with air gap, and method of adjusting the air gap

Country Status (10)

Country Link
EP (1) EP0042898B1 (en)
AT (1) ATE9749T1 (en)
DE (1) DE3069353D1 (en)
DK (1) DK244581A (en)
ES (1) ES272474Y (en)
FI (1) FI75446C (en)
GR (1) GR74360B (en)
IE (1) IE51834B1 (en)
NO (1) NO812219L (en)
PT (1) PT73282B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480377A (en) * 1982-09-27 1984-11-06 General Motors Corporation Method of making an ignition coil core
DE19645098C2 (en) * 1996-11-01 2000-09-21 Vossloh Schwabe Gmbh Choke and process for its manufacture

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1054551A (en) * 1954-02-11
FR942323A (en) * 1941-01-28 1949-02-04 Thomson Houston Comp Francaise Improvements in the construction of magnetic cores
US3071744A (en) * 1954-12-14 1963-01-01 Advance Transformer Co Electromagnetic core construction
US3219957A (en) * 1957-12-03 1965-11-23 Advance Transformer Co Core for electromagnetic device
DE1638944A1 (en) * 1967-02-09 1970-05-14 Waasner B Core sheet with two sheet metal parts
DE1613628A1 (en) * 1967-03-20 1970-07-30 Blum Eisen & Metallind Two-part iron core, especially for transformers
DE1929566A1 (en) * 1968-06-27 1970-06-18 Idec Izumi Corp Transformer core and process for its manufacture
GB1345523A (en) * 1970-09-10 1974-01-30 Friedland Ltd V E Doggart J Sk Transformer laminations

Also Published As

Publication number Publication date
IE811423L (en) 1981-12-30
PT73282B (en) 1982-07-01
DK244581A (en) 1981-12-31
ES272474U (en) 1984-03-01
FI75446C (en) 1988-06-09
ATE9749T1 (en) 1984-10-15
ES272474Y (en) 1984-10-01
NO812219L (en) 1982-01-04
FI812017L (en) 1981-12-31
PT73282A (en) 1981-07-01
GR74360B (en) 1984-06-27
IE51834B1 (en) 1987-04-15
FI75446B (en) 1988-02-29
EP0042898B1 (en) 1984-10-03
EP0042898A1 (en) 1982-01-06

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee